Optimum is available in South River. Call 833‑675‑2079 • Sponsored Optimum is available in South River. Check availability ↗ or call 833‑675‑2079 • Sponsored
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South River has 8 internet options – View all▼
The best technology available in South River is cable. Download speeds as fast as 2,000 Mbps are available in parts of South River.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 250 | 100% |
| Optimum | 940 | 35 | 22% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| T-Mobile | Up to 498 Mbps498 | Up to 55 Mbps55 | 99% |
| Verizon | 300 | 20 | 99% |
| AT&T | 100 | 20 | 82% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| HughesNet | 100 | 5 | 100% |
| Viasat | 50 | 3 | 100% |
Broadband Map's availability estimates are based on the census boundaries of South River. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in South River rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing South River ISPs' availability as of December 2025).